import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 28779
 * Date: 2024-03-09
 * Time: 18:13
 */
@WebServlet("/index")
public class indexServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //验证用户登录状态
        HttpSession session = req.getSession(false);
        if(session == null) {
            //用户尚未登录
            resp.setContentType("text/html;charset=utf8");
            resp.getWriter().write("请先登录，再访问主页！！");
            return;
        }
        //已经登录成功了
        String username = (String) session.getAttribute("username");
        Long time = (Long) session.getAttribute("time");

        System.out.println("username = " + username + "time = " + time);

        //根据这样的内容构造主页
        resp.setContentType("text/html;charset=utf8");
        resp.getWriter().write("欢迎您，" + username + "上次登录的时间是：" + time );
    }
}
